static int testMTZ(void)
{
uchar ucData[2];
int ret;
ucData[0] = 0x5a;
ucData[1] = 0xa5;
ret = cm_WriteConfigZone(DEFAULT_ADDRESS, 0x0A, ucData, 2, FALSE);
if(0!=ret)
{
printf("write MTZ fail....ret=0x%x\n",ret);
return -1;
}
ucData[0] = 0x00;
ucData[1] = 0x00;
ret = cm_ReadConfigZone(DEFAULT_ADDRESS, 0x0A, ucData, 2);
if(0!=ret)
{
printf("read MTZ fail....ret=0x%x\n",ret);
return -1;
}
if(ucData[0] != 0x5a || ucData[1] != 0xa5)
{
printf("testMTZ Error!! : %d : %d\n", ucData[0], ucData[1]);
return -1;
}
return 0;
}
/***********************************************************************
函数名称: E2PROM_ReadConfigZone
函数说明: 读取配置区的数据
修改记录: 日 期 作 者 修定
--------- --------- -----
************************************************************************/
sint E2PROM_ReadConfigZone(uchar Addr,
uchar *Buffer,
uchar NumberToWrite )
{
sint NVMError = 0;
sint CallError = 0;
cm_InitI2c();
CallError = cm_ReadConfigZone( Addr,Buffer,NumberToWrite);
CallError = CallError;
cm_TermI2c();
return NVMError;
}
// Read Checksum
uchar cm_ReadChecksum(uchar ucChipAddr, puchar pucChkSum)
{
uchar ucDCR[1];
uchar ucReturn;
ucCmdRdChk[0] = (0x6 | ((ucChipAddr & 0xf) << 4));
// 20 0x00s (10 0x00s, ignore first byte, 5 0x00s, ignore second byte, 5 0x00s
cm_GPAGenN(20);
// Read the checksum
if ((ucReturn = cm_ReadCommand(ucCmdRdChk, pucChkSum, 2)) != SUCCESS)
return ucReturn;
// Check if unlimited reads allowed
if ((ucReturn = cm_ReadConfigZone(ucChipAddr, DCR_ADDR, ucDCR, 1)) != SUCCESS)
return ucReturn;
if ((ucDCR[0] & DCR_UCR))
cm_ResetCrypto();
return SUCCESS;
}
static int at88_config_unlock(void)
{
unsigned char tempData;
unsigned char ucData[3];
RETURN_CODE ucReturn;
tempData =0x00;
int ret = cm_ReadConfigZone(DEFAULT_ADDRESS, 0xE8, &tempData, 1);
if(ret != 0)
{
printf("cm_ReadConfigZone PAC7 fail!\n");
return -1;
}
if(tempData==0x00)
{
printf("\nPAC7 =0x%x\n",tempData);
printf("\n at88 has been permantly locked, please change chip..\n");
return -1;
}
if(tempData!=0xff)
{
printf("\nPAC7 =0x%x\n",tempData);
}
ucData[0] = 0x22;
ucData[1] = 0xE8;
ucData[2] = 0x3F;
ucReturn = cm_VerifyPassword(DEFAULT_ADDRESS, ucData,7, 0);
if (ucReturn != SUCCESS)
{
printf("\ncm_VerifyPassword fail ...ret=0x%x\n",ucReturn);
return -1;
}
return 0;
}
static int at88_rwead_aac(void)
{
int ret;
unsigned char tempData;
//dcr , device addr 0x0b
tempData=0x00;
ret = cm_ReadConfigZone(DEFAULT_ADDRESS, 0x18, &tempData, 1);
if(ret != 0)
{
printf("cm_ReadConfigZone reg 0x18 fail\n");
return -1;
}
//printf("DCR = 0x%2x\n", tempData);
if(tempData!=0xeb)
{
tempData=0xeb;//clear etr
ret = cm_WriteConfigZone(DEFAULT_ADDRESS, 0x18, &tempData, 1, FALSE);
if (ret != SUCCESS)
{
printf("cm_WriteConfigZone reg 0x18 fail!\n");
return -1;
}
}
tempData=0x00;
ret = cm_ReadConfigZone(DEFAULT_ADDRESS, 0x60, &tempData, 1);
if(ret != 0)
{
printf("cm_ReadConfigZone run wrong!!\n");
return -1;
}
//printf("AAC1 = 0x%2x\n", tempData);
if(tempData!=0xff)
{
tempData = 0xff;
ret = cm_WriteConfigZone(DEFAULT_ADDRESS, 0x60, &tempData, 1, FALSE);
if (ret != SUCCESS)
{
printf("cm_WriteConfigZone run wrong!\n");
return -1;
}
}
unsigned char init_cryptogram_data[7];
init_cryptogram_data[0]=0x22;
init_cryptogram_data[1]=0x22;
init_cryptogram_data[2]=0x22;
init_cryptogram_data[3]=0x22;
init_cryptogram_data[4]=0x22;
init_cryptogram_data[5]=0x22;
init_cryptogram_data[6]=0x22;
ret = cm_WriteConfigZone(DEFAULT_ADDRESS, 0x61, init_cryptogram_data, 7, FALSE);
if (ret != SUCCESS)
{
printf("cm_WriteConfigZone init_cryptogram_data fail !\n");
return -1;
}
return 0;
}
